Stuart Townsend signs on to 'Thor'

Actors Stuart Townsend, Ray Stevenson, and Tadanobu Asano have signed on to star in Kenneth Branagh’s Thor. According to Variety, the trio will play Warrior’s Three, a group of Asgardian adventurers who fight with the Norse hero. Thor — which also stars Natalie Portman and Anthony Hopkins — will be in theaters on May 20, 2011.